border-inline-start
A shorthand for setting the width, style, and color of the 'start' side border in the inline dimension. It's the logical equivalent of styling a left border.
It is documented as part of the CSS Logical Properties and Values specification.
Syntax
/* Usage Example */
.callout {
/* Logical equivalent of border-left */
border-inline-start: 5px solid #6366f1;
padding-inline-start: 1.5rem;
background: #f5f3ff;
}
/* Syntax */
border-inline-start: border-top-width;
border-inline-start: border-top-style;
/* Global values */
border-inline-start: inherit;
border-inline-start: initial;
border-inline-start: revert;
border-inline-start: revert-layer;
border-inline-start: unset;border-inline-start Browser support
Widely available
Since
2021 95% global usage
This feature is well established and works across many devices and browser versions. It has been available across browsers since 2021.
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